Katherine M Thomas

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A multidimensional trait system has been proposed for representing personality disorder (PD) features in the fifth edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-5) to address problematic classification issues such as comorbidity. In this model, which may also assist in providing scaffolding for the underlying structure of major(More)
The DSM-5 Personality and Personality Disorder Work Group have proposed diagnosing personality disorder based in part on 25 pathological traits. Initial research suggests that five factors explain the covariance among these traits and that these factors reflect the domains of the well-validated Five-Factor Model (FFM) of normative personality. This finding(More)
Two issues pertinent to the Diagnostic and Statistical Manual of Mental Disorders (5th ed.; DSM-5) proposal for personality pathology, the recovery of DSM-IV personality disorders (PDs) by proposed DSM-5 traits and the validity of the proposed DSM-5 hybrid model, which incorporates both personality pathology symptoms and maladaptive traits, were evaluated(More)
In this study, the authors evaluated aspects of criterion validity and clinical utility of the grandiosity and vulnerability components of the Pathological Narcissism Inventory (PNI) using two undergraduate samples (N = 299 and 500). Criterion validity was assessed by evaluating the correlations of narcissistic grandiosity and narcissistic vulnerability(More)
The Diagnostic and Statistical Manual of Mental Disorders-Fifth Edition (DSM-5) features two conceptions of Narcissistic Personality Disorder (NPD), one based on the retained DSM-IV's categorical diagnosis and the other based on a model that blends impairments in personality functioning with a specific trait profile intended to recapture DSM-IV NPD.(More)
The proposed changes to the personality disorder section of the Diagnostic and statistical manual of mental disorders (5th ed.) places an increased focus on interpersonal impairment as one of the defining features of personality psychopathology. In addition, a proposed trait model has been offered to provide a means of capturing phenotypic variation on the(More)
OBJECTIVE Previous findings suggest a relation between trauma exposure and risk for schizotypal personality disorder (SPD). However, the reasons for this relationship are not well understood. Some research suggests that exposure to trauma, particularly early trauma and child abuse, as well as posttraumatic stress disorder (PTSD) may play a role. METHODS(More)
OBJECTIVE Although obesity stigmatization contributes to significant health, economic, and quality-of-life challenges for U.S. adults, the prevalence and nature of stigmatizing attitudes requires an update and clarification. The present study sought to examine the prevalence and major dimensions of negative attitudes toward obesity through assessment of(More)
The relationship between periodontal disease and systemic disease has gained much attention in recent years in the dental profession and from national health care agencies. Two third-party providers are now modifying their dental reimbursements for patients who have periodontal disease and are pregnant or have cardiovascular disease. However, there are few(More)
Researchers examining personality typologies of posttraumatic stress disorder (PTSD) have consistently identified 3 groups: low pathology, internalizing, and externalizing. These groups have been found to predict functional severity and psychiatric comorbidity. In this study, we employed Latent Profile Analysis to compare this previously established(More)